1899~1969

Shintendo Yamada Anmin Pharmacy founded

Feb. 22,
1899

Shintendo Yamada Anmin Pharmacy founded.
Capital at 3,000 yen.

Launched "Ikatsu" gastrointestinal medicine.

胃活
1909

Launched Rohto's first eye drops product.
The eye drop was prescribed by Dr. Toyotaro Inoue, authority of the ophthalmologist circle then, and named after his professor Dr. Rotmunnd.
ロート目薬
1931

Launched "Rohto Eye Drop" in a new and unique container which was the first of its kind, introducing an innovation in the eye drops market.
ロート目薬両口

Rohto Pharmaceutical Co., Ltd. established

Sept. 15,
1949
Rohto Pharmaceutical Co., Ltd. established.
Kiro Yamada appointed president. Capital at 10 million yen.
社旗
1952

Launched "Rohto Peni-my" eye drops.
Radio worked as an effective advertising medium, making this product a big hit.

ペニマイ目薬
1954
Launched "Siron" gastrointestinal medicine.
Radio commercials and newspaper advertisement were successful, making it a top-selling product at a record sales level of 3.3 million units per month.
シロン
1959
Head office and factory completed in the current location, Ikuno-ku Osaka.
The integrated establishments having a philosophy of "Rohto Utopia," the workers' paradise; and the state-of-the-art manufacturing facilities attracted many visitors every day.
ロートユートピア
1961 Rohto Pharmaceutical listed on the Second Section of Osaka Stock Exchange.
1962
Launched "Pansiron" gastrointestinal medicine.
TV advertising became active as a promotional tool.

Rohto Pharmaceutical listed on the Second Section of Tokyo Stock Exchange.
パンシロン
1964
Launched "V Rohto" eye drops.
It was the first Aspartic Acid-formulated eye drops to relieve eyestrain that laid the foundation for the V Rohto brand.

Rohto Pharmaceutical listed on the First Section of both the Tokyo Stock Exchange and the Osaka Stock Exchange.

Vロート
1965 Yamada Swimming Club founded.
1967 Launched "Pansiron G" gastrointestinal medicine.